Definition of biomagnification
: the process by which a compound (such as a pollutant or pesticide) increases its concentration in the tissues of organisms as it travels up the food chain
In a process known as biomagnification, fish accumulate mercury more rapidly than they excrete it, and every fish up the aquatic food chain contains more than the one it just ate.— Bronwyn Garrity, Vogue, May 2009
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Merriam-Webster unabridged
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Time Traveler for biomagnification
The first known use of biomagnification was in 1969
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